instructors.co - robtex.com
instructors.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.53.179.128🇩🇪 TEAMINTERNET-AS185.53.179.0/24 Registration for Team Internet by Next Dimension | ||||||
| NS | ns1.dyna-ns.net ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| A | 162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| NS | ns2.dyna-ns.net | ||||||
| A | 2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| A | 162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| SOA | ns1.dyna-ns.nethostmaster@instructors.co 2026-04-03 #1 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759653956 | ||||||
Subdomains
essorships.instructors.co |
dowedprofessorships.instructors.co |
Same first word
instructors.ph |
instructors.org |
instructors.ca |
instructors.ru |
instructors.jp |
instructors.hk |
instructors.pl |
instructors.co |
instructors.de |
instructors.biz |
instructors.co.uk |
Similar names
DNS History
13 records (3 active, 10 former)
○NSns1.dnsowl.com2015-12-09 → 2018-01-24 · 4 obs
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
●NSns1.dyna-ns.net2026-05-03 → 2026-05-09 · 3 obs
● 2026-05-03 06:50:40
● 2026-05-09 15:11:56
○NSns2.dnsowl.com2015-12-09 → 2018-01-24 · 4 obs
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
●NSns2.dyna-ns.net2026-05-03 → 2026-05-09 · 3 obs
● 2026-05-03 06:50:40
● 2026-05-09 15:11:56
○NSns3.dnsowl.com2015-12-09 → 2018-01-24 · 4 obs
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
○MXmx1.emailowl.com2015-12-09 → 2018-01-24 · 4 obs
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
○MXmx2.emailowl.com2015-12-09 → 2018-01-24 · 4 obs
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
○MXmx3.emailowl.com2015-12-09 → 2018-01-24 · 4 obs
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
●A185.53.179.1282026-05-03 → 2026-05-09 · 6 obs
● 2026-05-03 06:50:40
● 2026-05-04 04:35:22
○ 2026-05-04 06:17:12
● 2026-05-04 06:47:20
● 2026-05-09 15:11:56
○A50.63.202.622015-12-09 → 2018-01-24 · 5 obs
● 2015-12-09 02:58:16
● 2018-01-24 08:53:16
○ 2026-05-03 06:50:40
○ 2026-05-09 15:11:56
○A54.173.8.1732015-08-01 → 2015-08-01 · 3 obs
○ 2018-01-24 08:53:16
○ 2026-05-09 15:11:56
○A54.86.114.1042015-08-01 → 2015-08-01 · 3 obs
○ 2018-01-24 08:53:16
○ 2026-05-09 15:11:56
○CNAMEpr-co-suspensions.neuweb.biz2015-08-01 → 2015-08-01 · 3 obs
○ 2015-12-09 02:58:16
○ 2026-05-09 15:11:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| instructors.co | ns2.dyna-ns.net, ns1.dyna-ns.net | - |
✅ Authoritative Response
Server:162.159.25.5
NS records: ns2.dyna-ns.net, ns1.dyna-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instructors.co (unsigned zone)
⏱️ Timing
Total: 544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.53.179.128 |
| NS | 2 | ns2.dyna-ns.net, ns1.dyna-ns.net |
| SOA | 1 | ns1.dyna-ns.net hostmaster.instructors.c |
Analysis
Hierarchy
instructors.co is a parent of essorships.instructors.co and dowedprofessorships.instructors.co.
IP Addresses
instructors.co points to a single IP address: 185.53.179.128.
Other host names such as www.livescore-mantap168.xyz, swimaccessories.com, 076s.com, phobos.kiltbelt.com and cdv.me share IPs with instructors.co.
Name Servers
Two name servers ns1.dyna-ns.net and ns2.dyna-ns.net handle the delegation for instructors.co.
instructors.co shares the same name server setup as other domains, for example tomsys.us, manicvision.com, adperson.com, caddn.com and 472b.com.
Host names with four IP numbers: The host name ns1.dyna-ns.net points to: 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158; the host name ns2.dyna-ns.net points to: 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5.